🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 59 (from laksa177)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa059.int.ahrefs:8124/' \
  -H 'Content-Type: text/plain' \
  -H 'X-ClickHouse-Database: crawler3' \
  -H 'Authorization: Basic YXBpOg==' \
  -d 'SELECT getAhrefsURLFromUnparsed(src_unparsed) AS found_url, ifNull(toUnixTimestamp(download_stamp), 0) AS crawl_time, ifNull(toUnixTimestamp(props_url_first_seen), 0) AS first_indexed_time, download_http_code AS http_code, src_unparsed AS src_unparsed, src_root_hash AS src_root_hash, history_drop_reason AS history_drop_reason, meta_title AS meta_title, meta_descriptions AS meta_descriptions, attrs_boilerpipe_text AS attrs_boilerpipe_text, attrs_markdown AS attrs_markdown, attrs_readable_markdown AS attrs_readable_markdown, meta_canonical AS meta_canonical FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/screen.html\')), getAhrefsUnparsedNoserviceFromURL(\'https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/screen.html\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils\/screen.html","crawl_time":1753761908,"first_indexed_time":1733206373,"http_code":200,"src_unparsed":"be,uliege!gitlabpages,giga-bioinfo,\/docs\/mass-storage-and-cluster\/tools\/utils\/screen.html s443","src_root_hash":"8829330129115161259","history_drop_reason":null,"meta_title":"screen - GNU Screen — Mass storage and cluster v2025-05-08 documentation","meta_descriptions":[],"attrs_boilerpipe_text":"© Copyright 2025, GIGA Bioinformatics Team.\n       Last updated on Sep 28, 2023.\n      ","attrs_markdown":"[Mass storage and cluster ![Logo](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/_static\/logo.png)](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/index.html)\n\nGetting started\n\n- [Overview](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/getting_started\/overview.html)\n- [Connecting to the mass storage and cluster](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/getting_started\/connect.html)\n\nMass storage\n\n- [Overview](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/mass_storage\/overview.html)\n- [Disk space and folder structure](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/mass_storage\/disk_space.html)\n- [Data transfer](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/mass_storage\/transfer.html)\n- [Data management](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/mass_storage\/management.html)\n- [Data sharing](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/mass_storage\/share.html)\n- [Quota management](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/mass_storage\/quota.html)\n- [Storage pricing](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/mass_storage\/pricing.html)\n- [Data back-up policy](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/mass_storage\/backup.html)\n- [Data archiving policy](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/mass_storage\/archive.html)\n\nCluster\n\n- [Overview](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/cluster\/overview.html)\n- [Disk space and folder structure](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/cluster\/disk_space.html)\n- [Jobs management](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/cluster\/job.html)\n- [Modules and available tools](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/cluster\/tools.html)\n- [Submission script wizard](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/cluster\/submission_script.html)\n\nTools\n\n- [Data compression](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/compression.html)\n- [Environment management](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/environment.html)\n- [Jobs management](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/job.html)\n- [Pipelines](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/pipelines.html)\n- [Integrated development environment](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/ide.html)\n- [System utilities](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils.html)\n  - [`git` - Git Source code manager](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils\/git.html)\n  - [`screen` - GNU Screen](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils\/screen.html)\n    - [Usage](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils\/screen.html#usage)\n      - [Session creation](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils\/screen.html#session-creation)\n      - [Sessions listing](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils\/screen.html#sessions-listing)\n      - [Session disconnection](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils\/screen.html#session-disconnection)\n      - [Session connection](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils\/screen.html#session-connection)\n      - [Session removal](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils\/screen.html#session-removal)\n    - [Help](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils\/screen.html#help)\n\nAbout\n\n- [Frequently asked questions](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/about\/faq.html)\n- [History](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/about\/history.html)\n- [Contact details](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/about\/contact.html)\n\n[Mass storage and cluster](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/index.html)\n\n- [System utilities](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils.html)\n- `screen` - GNU Screen\n- [View page source](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/_sources\/tools\/utils\/screen.md.txt)\n***\n\n# `screen` - [GNU Screen](https:\/\/www.gnu.org\/software\/screen\/)[](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils\/screen.html#screen-gnu-screen \"Link to this heading\")\nThe `screen` commands allows you to initiate persistent[\\[1\\]](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils\/screen.html#id2) interactive sessions. This is particularly useful while [transferring large amounts of data over SSH](http:\/\/127.0.0.1:8000\/mass_storage\/transfer.html#transferring-files-over-ssh).\n\n## Usage[](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils\/screen.html#usage \"Link to this heading\")\n- [How to create a `screen` session?](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils\/screen.html#session-creation)\n- [How to list `screen` sessions?](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils\/screen.html#sessions-listing)\n- [How to detach from a `screen` session?](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils\/screen.html#session-disconnection)\n- [How to reattach to a `screen` session?](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils\/screen.html#session-connection)\n- [How to terminate a `screen` session?](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils\/screen.html#session-removal)\n\n### Session creation[](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils\/screen.html#session-creation \"Link to this heading\")\nTo create a `screen` session, you simply have to use:\n```\nscreen -S <name>\n```\nwhere `name` is the name of the session you want to create.\n\n### Sessions listing[](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils\/screen.html#sessions-listing \"Link to this heading\")\nYou can list your currently running `screen` sessions with:\n```\nscreen -ls\n```\n\n### Session disconnection[](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils\/screen.html#session-disconnection \"Link to this heading\")\nTo leave a session, press `Ctrl+a` and then `d`.\n\n### Session connection[](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils\/screen.html#session-connection \"Link to this heading\")\nTo reconnect to an existing `screen` session, you first have to [list](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils\/screen.html#sessions-listing) the available sessions. Then, you can reconnect to one of these sessions with:\n```\nscreen -r <name>\n```\n\n### Session removal[](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils\/screen.html#session-removal \"Link to this heading\")\nTo kill a `screen` session, use:\n```\nscreen -X -S <name> quit\n```\n\n## Help[](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils\/screen.html#help \"Link to this heading\")\n```\nUse: screen [-opts] [cmd [args]]\n or: screen -r [host.tty]\n\nOptions:\n-4            Resolve hostnames only to IPv4 addresses.\n-6            Resolve hostnames only to IPv6 addresses.\n-a            Force all capabilities into each window's termcap.\n-A -[r|R]     Adapt all windows to the new display width & height.\n-c file       Read configuration file instead of '.screenrc'.\n-d (-r)       Detach the elsewhere running screen (and reattach here).\n-dmS name     Start as daemon: Screen session in detached mode.\n-D (-r)       Detach and logout remote (and reattach here).\n-D -RR        Do whatever is needed to get a screen session.\n-e xy         Change command characters.\n-f            Flow control on, -fn = off, -fa = auto.\n-h lines      Set the size of the scrollback history buffer.\n-i            Interrupt output sooner when flow control is on.\n-l            Login mode on (update \/var\/run\/utmp), -ln = off.\n-ls [match]   or\n-list         Do nothing, just list our SockDir [on possible matches].\n-L            Turn on output logging.\n-m            ignore $STY variable, do create a new screen session.\n-O            Choose optimal output rather than exact vt100 emulation.\n-p window     Preselect the named window if it exists.\n-q            Quiet startup. Exits with non-zero return code if unsuccessful.\n-Q            Commands will send the response to the stdout of the querying process.\n-r [session]  Reattach to a detached screen process.\n-R            Reattach if possible, otherwise start a new session.\n-s shell      Shell to execute rather than $SHELL.\n-S sockname   Name this session <pid>.sockname instead of <pid>.<tty>.<host>.\n-t title      Set title. (window's name).\n-T term       Use term as $TERM for windows, rather than \"screen\".\n-U            Tell screen to use UTF-8 encoding.\n-v            Print \"Screen version 4.01.00devel (GNU) 2-May-06\".\n-wipe [match] Do nothing, just clean up SockDir [on possible matches].\n-x            Attach to a not detached screen. (Multi display mode).\n-X            Execute <cmd> as a screen command in the specified session.\n```\n***\n\\[[1](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils\/screen.html#id1)\\]\n\nHere, persistent is to be understood as “kept alive in-between connections”.\n\n[Previous](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/tools\/utils\/git.html \"git - Git Source code manager\") [Next](https:\/\/giga-bioinfo.gitlabpages.uliege.be\/docs\/mass-storage-and-cluster\/about\/faq.html \"Frequently asked questions\")\n***\n© Copyright 2025, GIGA Bioinformatics Team. Last updated on Sep 28, 2023.\n\nBuilt with [Sphinx](https:\/\/www.sphinx-doc.org\/) using a [theme](https:\/\/github.com\/readthedocs\/sphinx_rtd_theme) provided by [Read the Docs](https:\/\/readthedocs.org\/).","attrs_readable_markdown":null,"meta_canonical":null}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

🚫

NOT INDEXABLE

✅

CRAWLED

8 months ago

🤖

ROBOTS SERVER UNREACHABLE

Failed to connect to robots server: Operation timed out after 2002 milliseconds with 0 bytes received

Page Info Filters

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	FAIL	`download_stamp > now() - 6 MONTH`	8.5 months ago
History drop	PASS	`isNull(history_drop_reason)`	No drop reason
Spam/ban	PASS	`fh_dont_index != 1 AND ml_spam_score = 0`	ml_spam_score=0
Canonical	PASS	`meta_canonical IS NULL OR = '' OR = src_unparsed`	Not set

Page Details

Property	Value
URL	https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/screen.html
Last Crawled	2025-07-29 04:05:08 (8 months ago)
First Indexed	2024-12-03 06:12:53 (1 year ago)
HTTP Status Code	200
Meta Title	screen - GNU Screen — Mass storage and cluster v2025-05-08 documentation
Meta Description	null
Meta Canonical	null
Boilerpipe Text	© Copyright 2025, GIGA Bioinformatics Team. Last updated on Sep 28, 2023.
Markdown	[Mass storage and cluster ![Logo](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/_static/logo.png)](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/index.html) Getting started - [Overview](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/getting_started/overview.html) - [Connecting to the mass storage and cluster](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/getting_started/connect.html) Mass storage - [Overview](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/mass_storage/overview.html) - [Disk space and folder structure](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/mass_storage/disk_space.html) - [Data transfer](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/mass_storage/transfer.html) - [Data management](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/mass_storage/management.html) - [Data sharing](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/mass_storage/share.html) - [Quota management](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/mass_storage/quota.html) - [Storage pricing](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/mass_storage/pricing.html) - [Data back-up policy](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/mass_storage/backup.html) - [Data archiving policy](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/mass_storage/archive.html) Cluster - [Overview](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/cluster/overview.html) - [Disk space and folder structure](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/cluster/disk_space.html) - [Jobs management](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/cluster/job.html) - [Modules and available tools](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/cluster/tools.html) - [Submission script wizard](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/cluster/submission_script.html) Tools - [Data compression](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/compression.html) - [Environment management](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/environment.html) - [Jobs management](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/job.html) - [Pipelines](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/pipelines.html) - [Integrated development environment](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/ide.html) - [System utilities](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils.html) - [`git` - Git Source code manager](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/git.html) - [`screen` - GNU Screen](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/screen.html) - [Usage](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/screen.html#usage) - [Session creation](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/screen.html#session-creation) - [Sessions listing](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/screen.html#sessions-listing) - [Session disconnection](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/screen.html#session-disconnection) - [Session connection](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/screen.html#session-connection) - [Session removal](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/screen.html#session-removal) - [Help](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/screen.html#help) About - [Frequently asked questions](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/about/faq.html) - [History](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/about/history.html) - [Contact details](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/about/contact.html) [Mass storage and cluster](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/index.html) - [System utilities](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils.html) - `screen` - GNU Screen - [View page source](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/_sources/tools/utils/screen.md.txt) * # `screen` - [GNU Screen](https://www.gnu.org/software/screen/)[](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/screen.html#screen-gnu-screen "Link to this heading") The `screen` commands allows you to initiate persistent[\[1\]](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/screen.html#id2) interactive sessions. This is particularly useful while [transferring large amounts of data over SSH](http://127.0.0.1:8000/mass_storage/transfer.html#transferring-files-over-ssh). ## Usage[](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/screen.html#usage "Link to this heading") - [How to create a `screen` session?](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/screen.html#session-creation) - [How to list `screen` sessions?](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/screen.html#sessions-listing) - [How to detach from a `screen` session?](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/screen.html#session-disconnection) - [How to reattach to a `screen` session?](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/screen.html#session-connection) - [How to terminate a `screen` session?](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/screen.html#session-removal) ### Session creation[](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/screen.html#session-creation "Link to this heading") To create a `screen` session, you simply have to use: ``` screen -S <name> ``` where `name` is the name of the session you want to create. ### Sessions listing[](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/screen.html#sessions-listing "Link to this heading") You can list your currently running `screen` sessions with: ``` screen -ls ``` ### Session disconnection[](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/screen.html#session-disconnection "Link to this heading") To leave a session, press `Ctrl+a` and then `d`. ### Session connection[](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/screen.html#session-connection "Link to this heading") To reconnect to an existing `screen` session, you first have to [list](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/screen.html#sessions-listing) the available sessions. Then, you can reconnect to one of these sessions with: ``` screen -r <name> ``` ### Session removal[](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/screen.html#session-removal "Link to this heading") To kill a `screen` session, use: ``` screen -X -S <name> quit ``` ## Help[](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/screen.html#help "Link to this heading") ``` Use: screen [-opts] [cmd [args]] or: screen -r [host.tty] Options: -4 Resolve hostnames only to IPv4 addresses. -6 Resolve hostnames only to IPv6 addresses. -a Force all capabilities into each window's termcap. -A -[r\|R] Adapt all windows to the new display width & height. -c file Read configuration file instead of '.screenrc'. -d (-r) Detach the elsewhere running screen (and reattach here). -dmS name Start as daemon: Screen session in detached mode. -D (-r) Detach and logout remote (and reattach here). -D -RR Do whatever is needed to get a screen session. -e xy Change command characters. -f Flow control on, -fn = off, -fa = auto. -h lines Set the size of the scrollback history buffer. -i Interrupt output sooner when flow control is on. -l Login mode on (update /var/run/utmp), -ln = off. -ls [match] or -list Do nothing, just list our SockDir [on possible matches]. -L Turn on output logging. -m ignore $STY variable, do create a new screen session. -O Choose optimal output rather than exact vt100 emulation. -p window Preselect the named window if it exists. -q Quiet startup. Exits with non-zero return code if unsuccessful. -Q Commands will send the response to the stdout of the querying process. -r [session] Reattach to a detached screen process. -R Reattach if possible, otherwise start a new session. -s shell Shell to execute rather than $SHELL. -S sockname Name this session <pid>.sockname instead of <pid>.<tty>.<host>. -t title Set title. (window's name). -T term Use term as $TERM for windows, rather than "screen". -U Tell screen to use UTF-8 encoding. -v Print "Screen version 4.01.00devel (GNU) 2-May-06". -wipe [match] Do nothing, just clean up SockDir [on possible matches]. -x Attach to a not detached screen. (Multi display mode). -X Execute <cmd> as a screen command in the specified session. ``` * \[[1](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/screen.html#id1)\] Here, persistent is to be understood as “kept alive in-between connections”. [Previous](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/tools/utils/git.html "git - Git Source code manager") [Next](https://giga-bioinfo.gitlabpages.uliege.be/docs/mass-storage-and-cluster/about/faq.html "Frequently asked questions") *** © Copyright 2025, GIGA Bioinformatics Team. Last updated on Sep 28, 2023. Built with [Sphinx](https://www.sphinx-doc.org/) using a [theme](https://github.com/readthedocs/sphinx_rtd_theme) provided by [Read the Docs](https://readthedocs.org/).
Readable Markdown	null
Shard	59 (laksa)
Root Hash	8829330129115161259
Unparsed URL	be,uliege!gitlabpages,giga-bioinfo,/docs/mass-storage-and-cluster/tools/utils/screen.html s443