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The sheet also includes job and process management commands, including foreground/background control, remote connection tools like SSH/SCP/Wget, and useful miscellaneous commands such as man, tar, du, df, and history.",{"@graph":14,"@context":72},[15,34,55],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/template/","Template",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/template/presentations/","Presentations",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/template/unix-command-cheat-sheet-quick-reference-for-common-commands/573161/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/unix-command-cheat-sheet-quick-reference-for-common-commands/573161.png","ImageObject",442,249,{"name":42,"@type":43},"Muffet","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-18","2026-10-13",true,{"@type":52,"interactionType":53,"userInteractionCount":33},"InteractionCounter",{"@type":54},"ViewAction",{"@type":56,"mainEntity":57},"FAQPage",[58,64,68],{"name":59,"@type":60,"acceptedAnswer":61},"How do you list files and move between directories in UNIX?","Question",{"text":62,"@type":63},"Use ls to list directory contents and cd to change directories. You can navigate using ., .., ~ for the home directory, and - for the previous directory.","Answer",{"name":65,"@type":60,"acceptedAnswer":66},"Which commands help search within files and locate files on disk?",{"text":67,"@type":63},"Use grep to search for words in files. Use find to search a path for files or directories matching specific criteria, such as by name or type.",{"name":69,"@type":60,"acceptedAnswer":70},"How can you manage processes and work in the background?",{"text":71,"@type":63},"Run jobs in the background with &, inspect with jobs, and view processes with ps or top. Use Ctrl-c to cancel and Ctrl-z to pause, then resume with bg or bring back with fg.","https://schema.org",{"og:url":32,"og:type":74,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":76,"canonical":32},"index,follow",{"doc_id":78,"site_id":7},573161,1792015751,{"code":4,"msg":81,"data":82},"success",[83,87,92,97,102,107,112,117,122],{"id":84,"doc_module":22,"doc_module_name":25,"category_name":29,"show_sort_weight":85,"slug":86},11,90,"presentations",{"id":88,"doc_module":22,"doc_module_name":25,"category_name":89,"show_sort_weight":90,"slug":91},12,"Resumes",80,"resumes",{"id":93,"doc_module":22,"doc_module_name":25,"category_name":94,"show_sort_weight":95,"slug":96},14,"Invoices",70,"invoices",{"id":98,"doc_module":22,"doc_module_name":25,"category_name":99,"show_sort_weight":100,"slug":101},15,"Posters",60,"posters",{"id":103,"doc_module":22,"doc_module_name":25,"category_name":104,"show_sort_weight":105,"slug":106},16,"Social Media",50,"social-media",{"id":108,"doc_module":22,"doc_module_name":25,"category_name":109,"show_sort_weight":110,"slug":111},17,"Forms",40,"forms",{"id":113,"doc_module":22,"doc_module_name":25,"category_name":114,"show_sort_weight":115,"slug":116},18,"Letters",30,"letters",{"id":118,"doc_module":22,"doc_module_name":25,"category_name":119,"show_sort_weight":120,"slug":121},21,"Paper Templates",5,"papers-templates",{"id":123,"doc_module":22,"doc_module_name":25,"category_name":124,"show_sort_weight":4,"slug":125},158,"General","general-158",{"code":4,"msg":81,"data":127},{"doc_id":78,"user_id":128,"nickname":42,"user_avatar":129,"doc_module":22,"category_id":84,"category_name":29,"doc_title":10,"doc_description":12,"doc_content":130,"file_id":131,"file_url":132,"file_type":133,"file_size":134,"view_count":33,"is_deleted":4,"is_public":22,"is_downloadable":22,"audit_status":22,"page_count":26,"language":135,"language_code":8,"site_id":7,"html_lang":8,"table_of_contents":136,"faqs":137,"seo_title":138,"seo_description":12,"update_tm":139,"read_time":22},962090768927,"https://ap-avatar.wpscdn.com/davatar_085a072bc5b1113ac321206ff7593b45","UNIX Command Cheat Sheet Carnegie Observatories Summer Research Program Every command and filename is CaSe sEnSiTiVe!  \n\n| Command | Description | Examples and Options |\n| --- | --- | --- |\n| \u003Ctab> | Attempt to autocomplete | Use this to speed up typing/avoid typos |\n| Navigating Directories |  |  |\n| ls | List the contents of the directory. | ls -larth /home/mcuser/science/code |\n| cd | Change directory. | cd /home/mcuser/science |\n| pwd | present working directory. | pwd |\n| * | Wild card, any number of chars. | ls * . txt |\n| ? | Wild card, 0 or 1 characters. | ls foo? . txt |\n| . | Current directory. | cd . |\n| .. | Directory one level up. | cd   |\n| ~ | Home directory. | cd ~ |\n| - | Previous directory. | cd - |\n| Modifying Directories and Files |  |  |\n| mkdir | Make new empty directory. | mkdir MyNewDirectory |\n| rmdir | Remove empty directory. | rmdir MyNewDirectory |\n| mv | Move files (overwrites destination) . | mv -i foo . txt foo2 . txt |\n| cp | Copy files (overwrites destination) . | cp -i . ./foo . txt . |\n| rm | Remove files. CANNOT UNDO! | rm -i foo . txt |\n| chmod | Change file permissions.\u003Cbr>rwx = read, write, execute. ugoa = user, group, other, all. | chmod a+rwx badger. txt\u003Cbr>chmod o-wx badger. txt\u003Cbr>chmod u+x [myscript. sh](myscript. sh) |\n| Viewing Files in Terminal |  |  |\n| less | View files in terminal window. | less foo . txt |\n| cat | Concatenate files. | cat foo1 . txt foo2 . txt |\n| head | Display first 10 lines. | head -20 foo . txt |\n| tail | Display last 10 lines. | tail -f logfile . txt |\n| Searching |  |  |\n| grep | Search for word(s) in a file. | grep myvarname * . txt\u003Cbr>grep rodent * . txt\u003Cbr>grep \"Hello World\" * . txt |\n| find | Search a path for files/directories that match some specification. | find playground -name \"* . txt\"find playground -type d\u003Cbr>find playground -not -name \"* . txt\" |\n| Environment Variables |  |  |\n| $HOME | Home directory. | workpath=$HOME/playground |\n| $SHELL | Shell name. | echo $SHELL |\n| $USER | User name. | echo $USER |\n| $PATH | Paths to look in for executables. | PATH=${PATH}:/my/new/program/path/bin |\n| env | List environment vars and values. | env | less |\n\nCommon text editors: emacs, vim, vi, pico, nano  \n\n| Command | Description | Examples and Options |\n| --- | --- | --- |\n| File Manipulation |  |  |\n| wc | Word count. | wc -l [mycode. py](mycode. py) |\n| sort | Sort input alphanumerically. |  |\n| | | Pipe/filter output through another program. | cat foo . txt | less\u003Cbr>sort myfile. txt | grep mykeyword |\n| > | Redirect standard output to. Overwrites existing file. | cat foo . txt > foo2 . txt |\n| >> | Redirect standard output and concatenate to. | cat foo . txt >> foo2 . txt |\n| \u003C | Redirect standard input from. | less \u003C foo . txt |\n| awk | Advanced operations by column. |  |\n| sed | Advanced operations by row. |  |\n| Job/process Manipulation |  |  |\n| & | Run process in background. | ./[run_job. sh &](run_job. sh &) |\n| jobs | Show your current processes | jobs |\n| ps | Show processes (more flexible) | ps -u username |\n| top | Show top active processes | top -u username |\n| kill | Stop a job | kill processid |\n| Ctrl-z | Pause current job | ./[run_job. sh](run_job. sh) ; Ctrl-z |\n| Ctrl-c | Cancel current job | ./[run_job. sh](run_job. sh) ; Ctrl-c |\n| bg | Resume process in background | ./[run_job. sh](run_job. sh) ; Ctrl-z; bg %1 |\n| fg | Bring process to foreground | fg %2 |\n| Remote Connections |  |  |\n| ssh | Secure shell login. | ssh -Y [user@host. edu](user@host. edu) |\n| scp | Secure copy. | scp [user@host. edu: path/to/file. txt](user@host. edu: path/to/file. txt) . |\n| wget | Download file from remote URL. | wget [www. google. com -O](www. google. com -O) google. html |\n| Ctrl-d | Exit login. Sometimes disabled. | Can also use exit, logout |\n| Miscellaneous |  |  |\n| man | Manual for other commands. | man cat |\n| sleep | Do nothing | sleep 30 |\n| touch | Create empty file/update timestamp | touch newfile . txt |\n| whoami | Print current user. | whoami |","cbCaibKA2o3YpGiw","https://ap.wps.com/l/cbCaibKA2o3YpGiw","pdf",147922,"English","# Navigating Directories\n## Modifying Directories and Files\n## Viewing Files in Terminal\n## Searching\n## Environment Variables\n# File Manipulation\n## Job/process Manipulation\n## Remote Connections\n## Miscellaneous","[{\"question\":\"How do you list files and move between directories in UNIX?\",\"answer\":\"Use ls to list directory contents and cd to change directories. You can navigate using ., .., ~ for the home directory, and - for the previous directory.\"},{\"question\":\"Which commands help search within files and locate files on disk?\",\"answer\":\"Use grep to search for words in files. Use find to search a path for files or directories matching specific criteria, such as by name or type.\"},{\"question\":\"How can you manage processes and work in the background?\",\"answer\":\"Run jobs in the background with \\u0026, inspect with jobs, and view processes with ps or top. Use Ctrl-c to cancel and Ctrl-z to pause, then resume with bg or bring back with fg.\"}]","UNIX Command Cheat Sheet - quick reference for common commands | PDF",1791933637]